Razvan Stanga Varnish Nginx Proxy Caching Plugin up to 1.8.3 on WordPress insertion of sensitive information into sent data

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Razvan Stanga Varnish Nginx Proxy Caching Plugin up to 1.8.3 on WordPress. It has been rated as problematic. This issue affects some unknown processing. Performing a manipulation results in insertion of sensitive information into sent data. This vulnerability is known as CVE-2025-62126. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in Razvan Stanga Varnish Nginx Proxy Caching Plugin up to 1.8.3 on WordPress. This affects an unknown function. The manipulation with an unknown input leads to a insertion of sensitive information into sent data vulnerability. CWE is classifying the issue as CWE-201. The code transmits data to another actor, but a portion of the data includes sensitive information that should not be accessible to that actor. This is going to have an impact on integrity. The summary by CVE is:

Insertion of Sensitive Information Into Sent Data vulnerability in Razvan Stanga Varnish/Nginx Proxy Caching allows Retrieve Embedded Sensitive Data.This issue affects Varnish/Nginx Proxy Caching: from n/a through 1.8.3.

The weakness was published by Legion Hunter. It is possible to read the advisory at vdp.patchstack.com. This vulnerability is uniquely identified as CVE-2025-62126 since 10/07/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/31/2025). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (Patchstack): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Insertion of sensitive information into sent data
CWE: CWE-201 / CWE-200 / CWE-284
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/07/2025 CVE reserved
12/31/2025 +85 days Advisory disclosed
12/31/2025 +0 days VulDB entry created
12/31/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: vdp.patchstack.com
Researcher: Legion Hunter
Status: Not defined

CVE: CVE-2025-62126 (🔒)
GCVE (CVE): GCVE-0-2025-62126
GCVE (VulDB): GCVE-100-339255

Entryinfo

Created: 12/31/2025 20:14
Changes: 12/31/2025 20:14 (63)
Complete: 🔍
Cache ID: 216::103

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